text: import { gql } from '@apollo/client';
  
  export const LOGIN_USER = gql`
    mutation login($email: String!, $password: String!) {
      login(email: $email, password: $password) {
        token
        user {
          _id
          username
        }
      }
    }
  `;
  
  export const ADD_USER = gql`
    mutation addUser($username: String!, $email: String!, $password: String!) {
      addUser(username: $username, email: $email, password: $password) {
        token
        user {
          _id
          username
        }
      }
    }
  `;
  
  export const SAVE_BOOK = gql`
      mutation saveBook($bookData: BookInput!) {
          saveBook(bookData: $bookData) {
              _id
              username
              email
              bookCount
              savedBooks {
                  bookId
                  authors
                  description
                  title
                  image
                  link
              }
          }
      }
  `;
  
  export const REMOVE_BOOK = gql`
    mutation removeBook($bookId: ID) {
        removeBook(bookId: $bookId) {
              _id
              username
              email
              bookCount
              savedBooks {
                  bookId
                  authors
                  description
                  title
                  image
                  link
              } 
          }
      }
  `;